Update README.md
Merge pull request #76 from hfossli/patch-1

Update README.md
Add gradient color fill to bar chart
Add gradient color fill to circle chart
Updating podspec for local install
Updating podspec for local install2
Updating podspec for local install, change folder structure
Fixing bug on line chart showLabel
Merge pull request #83 from moflo/master

Add gradient option to bar & circle charts
improve code style
fix labels when all same value
Merge pull request #90 from klauslanza/master

Fix Y labels and graph position when all Y values are the same
Merge pull request #87 from zzz6519003/patch-1

improve code style
Add font and color customization for xLabel and yLabel in PNLineChart
Dissociate the xLabelWidth from the lines drawing

* For graphic with a lot of data, we can't display all xLabels. Now it's possible to display a fewLabels with a lot of value.
* Add method to specify the width xLabel.
Update podspec to v0.6.0
Fix bug
fixed some value conversion issues
Fix wrong comment out code of yLabelSum
Merge pull request #100 from LumiaSaki/master

Fix wrong comment out code of yLabelSum